| Identification | |
| Name: | Sulfuric acid fuming |
| Synonyms: | Sulfur trioxide, mixt. with sulfuric acid;Sulfuric acid, mixture with sulfur trioxide;Fuming sulfuric acid;Sulfuric acid,compounds,mixt. with sulfur trioxide;Oleum iodisum;Sulfuric acid mixture with sulfur trioxide;Sulfuric acid (fuming);sulfuric acid; sulfur trioxide;Sulfuric acid, mixt with sulfur trioxide;Oleum (Fuming Sulfuric acid); |
| CAS: | 8014-95-7 |
| EINECS: | 231-639-5 |
| Molecular Formula: | H2O7S2 |
| Molecular Weight: | 178.14168 |
| InChI: | InChI=1S/H2O4S.O3S/c1-5(2,3)4;1-4(2)3/h(H2,1,2,3,4); |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 3264 8 |
| Stability: | Stable. Incompatible with organic materials, powdered metals, bases, halides. Reacts violently with water. Very hygroscopic. |
| Water Solubility: | Miscible with water, liberates much heat |
| Solubility: | Miscible with water, liberates much heat |
| Appearance: | Colorless, oily, fuming liquid. /H2O: soluble |
| Packinggroup: | II |
| Sensitive: | Hygroscopic |
| Color: | Colorless or slightly colored, viscous liquid Heavy, oily liquid; colorless to dark brown depending on purity Heavy, fuming, yellow liquid |
| Safety Data | |
| Hazard Symbols | |
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